GPU Comparison
RADEON
AMD Radeon HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
GRID M60-1Q
CORE STATE
GM204
VRAM
1024 MB
CLOCK SPEED
1178 MHz
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
GRID M60-1Q
Core Specs
Shading Units
1,792
2,048
+14.3%
Shaders
1,792
2,048
+14.3%
TMUs
112
128
+14.3%
ROPs
32
64
+100.0%
Compute Units
28
—
Clocks
Base Clock
—
557 MHz
Boost Clock
—
1178 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
3 GB
1024 MB
VRAM (MB)
3,072
1,024
-66.7%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
256 bit
Bandwidth
240.0 GB/s
160.4 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
768 KB
2 MB
Performance
Pixel Rate
25.60 GPixel/s
75.39 GPixel/s
Texture Rate
89.60 GTexel/s
150.8 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
4.825 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
150.8 GFLOPS (1:32)
Power
TDP
200 W
225 W
TDP (W)
200
225
+12.5%
Suggested PSU
550 W
550 W
Power Connectors
2x 6-pin
1x 8-pin
Architecture
Architecture
GCN 1.0
Maxwell 2.0
GPU Name
Tahiti
GM204
Generation
Southern Islands
(HD 7900)
GRID
(Mx)
Process Size
28 nm
28 nm
Transistors
4,313 million
5,200 million
Die Size
352 mm²
398 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.1M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
278 mm
10.9 inches
267 mm
10.5 inches
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—